03/12/2015 Newsround


03/12/2015

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You're watching Newsround, live this Thursday with me, Ayshah,

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with all of this on the way.

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The space launch looking into exploding stars.

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And what to get twin panda babies for their birthday?

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But first we're talking about the future of our planet

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and what you guys think we should be doing to improve it.

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Right now countries around the world are involved in a big meeting

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about how to stop climate change.

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So I went to a school in Bristol to get your ideas.

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Climate change is important to me because the world needs to be

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a greener place for everyone to live in.

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Because I like fluffy animals and if the water is rising and it is

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getting warmer, it may melt all of the cold animals' habitats.

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I think it's important because if we don't act fast,

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then our world will get really hot and we don't want that to happen.

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We are here in Bristol because it has been named as

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the European Green capital in 2015.

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And the kids in the city get special lessons on about the environment.

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So what are they doing to help?

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At school, we have the green committee and they

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go round every classroom and recycle all the paper, cardboard, plastic.

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We do monitoring, where every turn off the lights to make sure

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that it doesn't get too hot.

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At home, sometimes I remind my parents to

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recycle stuff, last month I asked my mum if I could keep my Fanta bottle

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to make a rocket ship out of it.

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There is a big meeting in Paris at the moment but what would these

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guys do if they were in charge?

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I would say, try and reduce the amount of fossil

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fuels we use in cars and vehicles.

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What would you say to the leaders in charge?

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I would say, if one species of animal got endangered,

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there is nothing we could do about it, so act fast, David Cameron.

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All we need you to do is to help recycle and save the world.

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My message would be to them to clean our oceans.

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Why?

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Because there's lots of pollution going in it.

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I would say to David Cameron, if you listen to a child's opinion,

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it could change the world.

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There's more on the Newsround web site about

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climate change and what's being talked about at the conference.

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OK, let's talk about whether Britain should be sending planes to bomb

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parts of Syria now.

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Last night UK politicians had a big debate and vote on

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whether drop bombs on some areas as part of a plan to tackle

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so called Islamic State, the group responsible for carrying

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out attacks on Paris last month.

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Well, more MPs voted yes than no so this morning

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the first planes set off for Syria.

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The BBC's Jonathan Beale saw them leave.

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The first pair of RAF Tornadoes to leave after MPs authorised military

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action in Syria against Islamic State have just returned.

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They left with, each, three Paveway bombs and they have

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come back with some of those weapons at least clearly having been fired.

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This is effectively the first time that RAF planes have

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carried out air strikes over Syria, we are expecting confirmation later

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in the day of where they were, what they hit and what

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the impact of those strikes was.

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And there's much more about the background to all this

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on the Newsround website including what Islamic State is and the events

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in Paris that led to this vote.

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Now, a space probe has been launched this morning to find out more

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about gravity, including what happens when a star explodes.

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The Lisa Pathfinder mission will carry out some big experiments

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Martin's got more.

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After months of preparations and intense training, a 30 metre tall

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rocket took off from South America.

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It will travel 1.5 million kilometres from Earth.

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Once it reaches its orbit, it will release a satellite called

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the Lisa Pathfinder.

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There is no one on board so it will be controlled

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around the clock by experienced teams at the European Space Agency.

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Once it's in position, it will do loads of experiments.

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It will use lots of new high-tech equipment to try

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and measure something called gravitational waves.

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These are ripples in space-time, the very fabric of the universe.

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They are caused by massive events in space like when two black holes

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collide and merge.

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A black hole is thought to be a dying star that collapsed inwards

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from its own weight.

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Its pull of gravity becomes so strong that even light can't escape,

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which is why it looks black.

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British scientist Harry Ward has helped develop some of

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the equipment that has been used.

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We have got two things that are floating freely in space

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and we're trying to measure the distance between them.

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And the way we make those measurements is to shine laser beams

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backwards and forwards, and the laser beams act as a kind of ruler.

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All the things that direct the laser beams have to be incredibly well

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lined up and incredibly stable and that's what this device here does.

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It's a very special material that hardly changes at all

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when the temperature changes.

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Strong enough that it can survive the rather extreme

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journey it's about to undertake.

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The experiments will help scientists learn more

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about how the universe works.

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Last up, how do you say happy birthday to a panda?

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With a pink cake of course.

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These twin pandas are celebrating their first birthday at a zoo in

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Japan and were given the sweet treat which is made entirely out of ice.

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That's all from me, Newsround's back at 4.20pm with Ricky. See you soon!

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